From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
This patch removes redundant flags regarding to FAT channel. Use
mac80211's flag instead.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-core.c | 42 ++++++++------------------
drivers/net/wireless/iwlwifi/iwl-dev.h | 14 ---------
drivers/net/wireless/iwlwifi/iwl-eeprom.c | 19 ++++++++----
drivers/net/wireless/iwlwifi/iwl4965-base.c | 6 ++-
include/linux/ieee80211.h | 1 +
5 files changed, 31 insertions(+), 51 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 6c7617c..fad26f7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -478,24 +478,7 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
- switch (ch->fat_extension_channel) {
- case HT_IE_EXT_CHANNEL_ABOVE:
- /* only above is allowed, disable below */
- geo_ch->flags |= IEEE80211_CHAN_NO_FAT_BELOW;
- break;
- case HT_IE_EXT_CHANNEL_BELOW:
- /* only below is allowed, disable above */
- geo_ch->flags |= IEEE80211_CHAN_NO_FAT_ABOVE;
- break;
- case HT_IE_EXT_CHANNEL_NONE:
- /* fat not allowed: disable both*/
- geo_ch->flags |= (IEEE80211_CHAN_NO_FAT_ABOVE |
- IEEE80211_CHAN_NO_FAT_BELOW);
- break;
- case HT_IE_EXT_CHANNEL_MAX:
- /* both above and below are permitted */
- break;
- }
+ geo_ch->flags |= ch->fat_extension_channel;
if (ch->max_power_avg > priv->max_channel_txpower_limit)
priv->max_channel_txpower_limit =
@@ -507,7 +490,7 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
/* Save flags for reg domain usage */
geo_ch->orig_flags = geo_ch->flags;
- IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0%X\n",
+ IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
ch->channel, geo_ch->center_freq,
is_channel_a_band(ch) ? "5.2" : "2.4",
geo_ch->flags & IEEE80211_CHAN_DISABLED ?
@@ -552,6 +535,7 @@ static u8 is_single_rx_stream(struct iwl_priv *priv)
(priv->current_ht_config.supp_mcs_set[2] == 0)) ||
priv->ps_mode == IWL_MIMO_PS_STATIC;
}
+
static u8 iwl_is_channel_extension(struct iwl_priv *priv,
enum ieee80211_band band,
u16 channel, u8 extension_chan_offset)
@@ -562,12 +546,12 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv,
if (!is_channel_valid(ch_info))
return 0;
- if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE)
- return 0;
-
- if ((ch_info->fat_extension_channel == extension_chan_offset) ||
- (ch_info->fat_extension_channel == HT_IE_EXT_CHANNEL_MAX))
- return 1;
+ if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_ABOVE)
+ return !(ch_info->fat_extension_channel &
+ IEEE80211_CHAN_NO_FAT_ABOVE);
+ else if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_BELOW)
+ return !(ch_info->fat_extension_channel &
+ IEEE80211_CHAN_NO_FAT_BELOW);
return 0;
}
@@ -579,7 +563,7 @@ u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
if ((!iwl_ht_conf->is_ht) ||
(iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) ||
- (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE))
+ (iwl_ht_conf->extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_NONE))
return 0;
if (sta_ht_inf) {
@@ -619,13 +603,13 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
/* Note: control channel is opposite of extension channel */
switch (ht_info->extension_chan_offset) {
- case IWL_EXT_CHANNEL_OFFSET_ABOVE:
+ case IEEE80211_HT_IE_CHA_SEC_ABOVE:
rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
break;
- case IWL_EXT_CHANNEL_OFFSET_BELOW:
+ case IEEE80211_HT_IE_CHA_SEC_BELOW:
rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
break;
- case IWL_EXT_CHANNEL_OFFSET_NONE:
+ case IEEE80211_HT_IE_CHA_SEC_NONE:
default:
rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
break;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index fa35193..daa14d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -179,15 +179,6 @@ struct iwl4965_scan_power_info {
s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
};
-/* For fat_extension_channel */
-enum {
- HT_IE_EXT_CHANNEL_NONE = 0,
- HT_IE_EXT_CHANNEL_ABOVE,
- HT_IE_EXT_CHANNEL_INVALID,
- HT_IE_EXT_CHANNEL_BELOW,
- HT_IE_EXT_CHANNEL_MAX
-};
-
/*
* One for each channel, holds all channel setup data
* Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
@@ -782,11 +773,6 @@ struct iwl_kw {
#define IWL_OPERATION_MODE_MIXED 2
#define IWL_OPERATION_MODE_20MHZ 3
-#define IWL_EXT_CHANNEL_OFFSET_NONE 0
-#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
-#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
-#define IWL_EXT_CHANNEL_OFFSET_BELOW 3
-
#define IWL_TX_CRC_SIZE 4
#define IWL_TX_DELIMITER_SIZE 4
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 11f9d95..cbb812f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -470,6 +470,11 @@ int iwl_init_channel_map(struct iwl_priv *priv)
/* Copy the run-time flags so they are there even on
* invalid channels */
ch_info->flags = eeprom_ch_info[ch].flags;
+ /* First write that fat is not enabled, and then enable
+ * one by one */
+ ch_info->fat_extension_channel =
+ (IEEE80211_CHAN_NO_FAT_ABOVE |
+ IEEE80211_CHAN_NO_FAT_BELOW);
if (!(is_channel_valid(ch_info))) {
IWL_DEBUG_INFO("Ch. %d Flags %x [%sGHz] - "
@@ -534,12 +539,14 @@ int iwl_init_channel_map(struct iwl_priv *priv)
for (ch = 0; ch < eeprom_ch_count; ch++) {
if ((band == 6) &&
- ((eeprom_ch_index[ch] == 5) ||
- (eeprom_ch_index[ch] == 6) ||
- (eeprom_ch_index[ch] == 7)))
- fat_extension_chan = HT_IE_EXT_CHANNEL_MAX;
+ ((eeprom_ch_index[ch] == 5) ||
+ (eeprom_ch_index[ch] == 6) ||
+ (eeprom_ch_index[ch] == 7)))
+ /* both are allowed: above and below */
+ fat_extension_chan = 0;
else
- fat_extension_chan = HT_IE_EXT_CHANNEL_ABOVE;
+ fat_extension_chan =
+ IEEE80211_CHAN_NO_FAT_BELOW;
/* Set up driver's info for lower half */
iwl_set_fat_chan_info(priv, ieeeband,
@@ -551,7 +558,7 @@ int iwl_init_channel_map(struct iwl_priv *priv)
iwl_set_fat_chan_info(priv, ieeeband,
(eeprom_ch_index[ch] + 4),
&(eeprom_ch_info[ch]),
- HT_IE_EXT_CHANNEL_BELOW);
+ IEEE80211_CHAN_NO_FAT_ABOVE);
}
}
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 0acd42b..de40e89 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -664,9 +664,11 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
iwl_conf->extension_chan_offset =
ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET;
/* If no above or below channel supplied disable FAT channel */
- if (iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_ABOVE &&
- iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_BELOW)
+ if (iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_ABOVE &&
+ iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_BELOW) {
+ iwl_conf->extension_chan_offset = IEEE80211_HT_IE_CHA_SEC_NONE;
iwl_conf->supported_chan_width = 0;
+ }
iwl_conf->tx_mimo_ps_mode =
(u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 9300f37..8f2c20b 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -320,6 +320,7 @@ struct ieee80211_ht_addt_info {
#define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10
/* 802.11n HT IE masks */
#define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03
+#define IEEE80211_HT_IE_CHA_SEC_NONE 0x00
#define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01
#define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03
#define IEEE80211_HT_IE_CHA_WIDTH 0x04
--
1.5.3.6
--
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